Curated OER
Number, Number Sense and Operations: Worksheet Four
Review a variety of mathematical skills with this learning exercise. In this number sense and operations learning exercise, learners solve 15 different problems that include simplifying various equations. In addition, they write the...
Curated OER
Simplification
In this simplification activity, students solve and complete 20 different algebraic expressions. They simplify each expression given in all three parts of the sheet by combining like terms. Then, students write each answer in the lowest...
CK-12 Foundation
Ck 12: Algebra: Excluded Values for Rational Expressions
[Free Registration/Login may be required to access all resource tools.] Reduce rational expressions involving fractions to simplest terms and find their excluded values.
CK-12 Foundation
Ck 12: Algebra: Expressions With Radicals
[Free Registration/Login may be required to access all resource tools.] Simplify radicals.
National Council of Teachers of Mathematics
The Math Forum: Fermi Questions
This tutorial from the Math Forum provides the approach to problem solving made famous by Enrico Fermi. Fermi, a brilliant Italian physicist, used estimation frequently in problem-solving.
Discovery Education
Discovery Education: Web Math: Solve a Set of Two Linear Equations
This WebMath site explains how to enter your two equations with two variables and solve for those variables. It explains step-by-step how to solve the equations and gives the final solutions.
Cool Math
Coolmath: Simplifying Radicals
This prealgebra lesson explains how to rewrite (simplify) radicals.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Estimation Contest
A lesson plan that teaches the power of estimation and its uses, a distinction between estimation and guessing.
Sophia Learning
Sophia: Simplifying Rational Expressions: Lesson 2
This lesson demonstrates how to simplify rational expressions. It is 2 of 6 in the series titled "Simplifying Rational Expressions."
Sophia Learning
Sophia: Simplifying Rational Expressions: Lesson 6
This lesson demonstrates how to simplify rational expressions. It is 6 of 6 in the series titled "Simplifying Rational Expressions."
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Dividing and Multiplying Radicals
Site describes how one would multiply and divide radicals and simplify the final result by using examples.